10NL river bet 4 to a straight fold?

[winzton]

Full Tilt Poker, $0.05/$0.10 NL Hold'em Cash Game, 5 Players
LegoPoker Hand History Converter

SB: $10
BB: $7.35
UTG: $10.70
CO: $14.65
Hero (BTN): $13.10

Pre-Flop: T[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] dealt to Hero (BTN)
2 folds, <font color="red">Hero raises to $0.35</font>, SB folds, BB calls $0.25

Flop: ($0.75) Q[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">BB bets $0.40</font>, Hero calls $0.40

Turn: ($1.55) T[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">BB bets $0.60</font>, <font color="red">Hero raises to $3</font>, BB calls $2.40

River: ($7.55) 9[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">BB bets $3.60 and is All-In</font>, Hero ?

Do I call this river bet? What do you do with the donk bet on the flop also? No reads.